Data Testing– BigQuery & Python

Data Testing– BigQuery & Python

Contract | Melbourne | 3 Days Onsite | CloudMarc

CloudMarc is looking for an experienced Senior Quality Engineer with strong BigQuery, Python and data testing experience to join a major enterprise program in Melbourne.

This is a hands-on Quality Engineering role focused on validating complex data solutions, building automated testing capability and ensuring data quality across large-scale platforms.

The Role

You’ll be responsible for:

• Testing complex data pipelines, transformations and integrations.
• Performing data validation and reconciliation using BigQuery.
• Developing automated data testing solutions using Python.
• Writing and executing complex SQL queries for data validation.
• Testing data across source, transformation and target layers.
• Validating data accuracy, completeness, integrity and quality.
• Building reusable automated test scripts and frameworks.
• Performing functional, integration, regression and end-to-end data testing.
• Identifying data quality issues and investigating root causes.
• Working closely with Data Engineers, Developers, BAs and delivery teams.
• Supporting automated testing within CI/CD pipelines.

What We're Looking For

• Strong experience as a Senior Quality Engineer / Data Test Engineer / Senior Test Automation Engineer.
• Strong hands-on Google BigQuery experience – essential.
• Strong Python experience – essential.
• Advanced SQL and data validation skills.
• Strong experience testing complex data pipelines and transformations.
• Experience with ETL/ELT and data integration testing.
• Experience developing automated data testing solutions.
• Strong understanding of data quality and reconciliation.
• Experience working with cloud-based data platforms.
• CI/CD and Agile delivery experience.
• Strong analytical and problem-solving skills.

About CloudMarc CloudMarc is a specialist technology consultancy delivering Quality Engineering, Development and Cloud Services across major enterprise organisations.

Location: Melbourne – 3 days onsite

Engagement: Contract

Key Skills: BigQuery | Python | SQL | Data Testing | Automation | ETL/ELT | Quality Engineering

If you’re a Senior Quality Engineer with strong BigQuery and Python experience, we’d like to hear from you!